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HP J8455A#ABB ProCurve Expansion Module 1 x E1 WAN 1 x G.703
- ProCurve Expansion Module
- 1 x E1 WAN interface
- 1 x G.703 interface
- Adds legacy WAN connectivity
- Designed for specific HP ProCurve switches
- Facilitates integration with TDM circuits
- Supports digital signal transmission
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Product Overview
The HP J8455A#ABB is a ProCurve Expansion Module designed to add specific WAN connectivity to compatible HP ProCurve switches. It provides one E1 WAN interface and one G.703 interface, enabling integration with legacy telecommunications circuits.
Technical Information
| Module Type | Expansion Module |
| WAN Ports | 1 x E1 |
Additional Specifications
| Interface Standard | 1 x G.703 |
| Compatibility | HP ProCurve Switches (specific models) |
Product Description
The HP J8455A#ABB is an expansion module specifically developed for the HP ProCurve line of network switches. Its primary purpose is to equip these switches with the capability to interface with traditional telecommunications networks. This is achieved through the inclusion of one E1 WAN port and one G.703 interface, which are standards commonly used in Europe, Asia, and other regions for digital voice and data transmission over TDM (Time-Division Multiplexing) circuits. The E1 interface provides a digital transmission path carrying 30 voice channels plus two signaling channels, totaling 2.048 Mbps. The G.703 standard defines the electrical and physical characteristics of the interface for digital signals, ensuring proper signal integrity and compatibility when connecting to carrier equipment or other G.703-compliant devices. This module is crucial for organizations that need to bridge their modern IP networks with existing TDM infrastructure. By adding this module, network administrators can extend the reach of their ProCurve switches to connect to legacy WAN services, integrate with PSTN (Public Switched Telephone Network) gateways, or establish direct digital links for specific data transmission needs. It offers a way to leverage existing telecommunications investments while migrating towards more modern networking solutions.
